IMO- Mathematics Olympiad Class 10: Questions 86 - 91 of 958

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Question number: 86

» Polynomials

MCQ▾

Question

If Equation are the roots of Equation then Equation is ________

Choices

Choice (4) Response

a.

-10

b.

-5

c.

-15

d.

-20

Question number: 87

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The ratio between a two – digit number and the sum of digits of that number is Equation . If the digit in the unit place is 3 more than the digit in the tenth place, what is the number?

Choices

Choice (4) Response

a.

40

b.

24

c.

63

d.

36

Question number: 88

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The value of k for which the system of equations Equation has no solution, is ________

Choices

Choice (4) Response

a.

3

b.

1

c.

10

d.

6

Question number: 89

» Polynomials

MCQ▾

Question

If one zero of the polynomial Equation is a reciprocal of the other, then k is equal to ________

Choices

Choice (4) Response

a.

2

b.

9

c.

7

d.

5

Question number: 90

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The denominators of a rational number is greater than its numerator by 5. If 2 is subtracted from the numerator and 5 is added to the denominator, the new number becomes Equation . Then the original number was ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 91

» Polynomials

MCQ▾

Question

If Equation are the roots of the equation Equation , then the equation whose roots are Equation and Equation is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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